4.2BSD/usr/man/man1/touch.1

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.TH TOUCH 1  "18 January 1983"
.SH NAME
touch \- update date last modified of a file
.SH SYNOPSIS
.B touch
[
.B \-c
]
[
.B \-f
]
file ...
.SH DESCRIPTION
.I Touch
attempts to set the modified date of each
.IR file .
If a
.I file
exists,
this is done by reading a character from the file
and writing it back.
If a
.I file
does not exist,
an attempt will be made to create it unless the
.B \-c
option is specified.
The
.B \-f
option will attempt to force the touch
in spite of read and write permissions on a
.IR file .
.SH SEE\ ALSO
utimes(2)